You have good questions for the OP to answer but I am certain that he will not be able to answer the question because he is only looking for people that can be scammed. This is not new at all as a common trick from scammers. I will leave him a negative trust until he is able to explain himself and also show his excellent gambling performance.
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People are commonly restricted on such site because they are violating rhe rules. I do not know what the violation can be but I am sure that if it is true, he violated rules.
I will remove the negative trust if he proves himself and people agree with him for me to remove the negative trust.
On sports betting sites it is quite common for winning players to be banned simply for that, for being winners. It is something that fortunately does not happen to winning poker players and I have talked about it in another thread but I think it is not enough to refer to this thread without further explanation to say that he is a scammer. In any case for me the scammers are the sports betting houses who I do not know how they allow to do this. To me it should be illegal to ban winning players from playing.